Fix most newline issues.

test/normalizer_issue_files/E30.py

@@ -146,14 +146,14 @@ if a():
     a()
 
 
-#: E301+3:4
+#: E301+2
 def a():
     x = 1
     def b():
         pass
 
 
-#: E301+3:4 E301+5:8
+#: E301+2 E301+4
 def a():
     x = 2
     def b():
@@ -162,7 +162,7 @@ def a():
             pass
 
 
-#: E301+4 E301+6
+#: E301+2 E301+4 E301+5
 def a():
     x = 1
     class C: